Claudio Contreras / Mexican / Brown Vine Snake (Oxybelis aeneus) with mouth open. Maria Madre Island, Islas Marias Biosphere Reserve, Sea of Cortez (Gulf of California), Mexico, June.
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John Cancalosi / Brown Vine Snake (Oxybelis aeneus) in defensive display, mildly venomous, Costa Rica
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Pete Oxford / Brown Vine Snake (Oxybelis aeneus) on road in defensive posture, Iwokrama Rainforest Reserve, Guyana
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Pete Oxford / Brown Vine Snake (Oxybelis aeneus) raising head, Iwokrama Rainforest Reserve, Guyana
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James Christensen / Brown Vine Snake (Oxybelis aeneus) threat display, Panama
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James Christensen / Brown Vine Snake (Oxybelis aeneus) threat display, Panama
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Juergen Freund / Brown vine Treesnake {Oxybelis aeneus} appearing through hole in a leaf, Gorgona Island, Colombia
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Michael & Patricia Fogden / Brown Vine Snake (Oxybelis aeneus) arboreal snake with mouth open in defensive behavior, Costa Rica
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John Cancalosi / Brown vine snake, defensive display {Oxybelis aeneus} Costa Rica
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PREMAPHOTOS / Brown vine snake {Oxybelis aeneus} tropical dry forest, Costa Rica, Central America
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Tim Fitzharris / Brown Vine Snake (Oxybelis aeneus) in defensive posture, South America